lotharschulz

# basic information for generating and executing this definition   
SenzaInfo:  
  StackName: hello-world  
  Parameters:  
    - ImageVersion:
        Description: "Docker image version of hello-world."
# a list of senza components to apply to the definition
SenzaComponents:
  # this basic configuration is required for the other components
  - Configuration:

lotharschulz

{  
    "Version": "2012-10-17",  
    "Statement": [  
        {  
            "Sid": "Stmt1441892073456",  
            "Effect": "Allow",  
            "Action": [  
                "kms:Decrypt"  
            ],  
            "Resource": [   

lotharschulz

# https://github.com/lotharschulz/akkahttp-playground/releases/tag/0.0.6-minikube-lb-ing-presentation-leipzig
# prerequsites: scala, sbt, docker, minikube, kubectl, local registry, project's docker images in local registry

kubectl create -f minikube-deployment-config.yaml
kubectl expose deployment akkahttpplayground-deployment --type="LoadBalancer" --port=8181 -target-port=8181
minikube service akkahttpplayground-deployment # opens browser window
minikube addons enable ingress
kubectl create -f minikube-ingress.yaml
echo "$(minikube ip) myminikube.info" | sudo tee -a /etc/hosts
# check the service

lotharschulz

# http://www.lotharschulz.info/2018/05/06/kubeflow-jupyter-notebook-on-kubernetes

# Create a namespace for kubeflow deployment
NAMESPACE=kubeflow
# start kubernetes cluster using minikube
minikube start
# create the kubeflow namespace
kubectl create namespace ${NAMESPACE}
# ksonnet package versions
VERSION=v0.1.3

lotharschulz

my favourite lightroom shortcuts (mac)

• dev module

  • previous button

    alt + cmd + v

  • sync button

lotharschulz

fun main(args: Array<String>) {
    val someText = "ABC1234567890"
    for (i in (0 .. (someText.length-1))){
        println(" number[$i]: ${someText[i]}")
        println("(number[$i] is Char): ${(someText[i] is Char)}")
        /* toInt return ascii dev code of a Character,
        _not_ the Character as Int in case of numbers */
        println(" number[$i].toInt(): ${someText[i].toInt()}")
        println(" number[$i].toString().toIntOrNull(): " +
                "${someText[i].toString().toIntOrNull()}")

lotharschulz

╔════════╦══════════════════════════════╦═════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╗
║  CVE   ║           Found in           ║                                                                                                                                                                                                                                                                                       

lotharschulz

╔═════════════════════════════╦════════════════════════════╦═════════════════════════════════════════╦════════════════════════╦════════════╦═══════════════════════╦═══════════════════════════════════╦═════════════════════════════════════╗
║         base image          ║   Docker build category    ║                 command                 ║ image build (circleCI) ║ image size ║ image size compressed ║ push to Dockerhub (from circleCI) ║ pull from Dockerhub (from circleCI) ║
╠═════════════════════════════╬════════════════════════════╬═════════════════════════════════════════╬════════════════════════╬════════════╬═══════════════════════╬═══════════════════════════════════╬═════════════════════════════════════╣
║ golang:1.11                 ║ default                    ║ docker build                            ║ 3.025s                 ║ 783 MB     ║ 299 MB                ║ 4.618s                            ║ 21.271s                             ║
║ golang:1.11                 ║ default                    ║ docker

lotharschulz

Approaches how to deal with null and exceptions in Kotlin

Code examples for lotharschulz.info - How to: Nulls and Exceptions in Kotlin from github.com/lotharschulz/kotlin-null

Exception Handling

    fun reciprocal(i: Int): Double =
        when(i == 0){
            true -> throw IllegalArgumentException("Can not take reciprocal of 0.")

lotharschulz

mutation ArchiveRepository {
    archiveRepository(input:{clientMutationId:"true",repositoryId:"[repositoryID]"}) {
        repository {
            isArchived,
            description,
        }
    }
}